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VCF Diode Ladder Filter

mzuelch·CATs-Eurosynth·Modules/HAGIWO/VCF Diode Ladder Filter/Electronics/Main/VCF Diode Ladder Filter.kicad_pcb

VCF Diode Ladder Filter PCB layout, top view — open source board by mzuelch
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About the VCF Diode Ladder Filter PCB

VCF Diode Ladder Filter is an open source PCB design by mzuelch, published on GitHub under the MIT license. It is a 2-layer board measuring 27.9 × 101.6 mm, with 65 components from 39 distinct parts.

Other key parts include the TL072CDT and OP07. By type, the board carries 23 resistors, 15 capacitors, 14 diodes, 7 connectors, 4 transistors and 2 ICs.

It belongs with the audio designs in this gallery.

From the project

Analog Synth Eurorack Modules

Main components on the VCF Diode Ladder Filter

TL072CDTOP07

VCF Diode Ladder Filter bill of materials (BOM)

65 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL072CDT
OP07
U1
1
OP07
U2
4
MMBT3904
Q1, Q2, Q3, Q4
1
Power
J1
1
Out
J2
1
In
J3
1
CV
J4
2
100k
P1, P3
1
100k
P2
2
BAV99
B5817
D1, D6
2
BAV99
1N4148WS
D2, D5
8
1N4148WS
D3, D4, D7, D8, D11, D12, D13, D14
2
C8598
1N4148WS
D9, D10
1
100UF/6.3V
10u
C1
3
10u
C2, C10, C15
1
10UF/16V
10u
C3
1
10UF/16V
4.7u
C4
2
10UF/16V
47n
C5, C7
1
100N
4.7u
C6
1
100N
100n
C8
Show 19 more
QtyPartRefs
3
100n
C9, C12, C13
2
47n
C11, C14
1
3K3
1k
R1
1
3K3
10k
R2
1
33K
10k
R3
1
33K
82k
R4
1
7K5
6.8k
R5
1
10K
1k
R6
1
33K
6.8k
R7
1
33K
100k
R8
1
10K
18k
R9
1
10K
10k
R10
1
27K
33k
R11
1
1K5
2.2k
R12
1
10K
2.2k
R13
3
10k
R14, R15, R22
3
33k
R16, R18, R19
2
4.7k
R17, R23
2
2.2k
R20, R21

VCF Diode Ladder Filter design files

The KiCad project lives in the mzuelch/CATs-Eurosynth repository on GitHub; these links point at the commit this page was built from.

VCF Diode Ladder Filter: common questions

How big is the VCF Diode Ladder Filter PCB?

The VCF Diode Ladder Filter measures 27.9 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VCF Diode Ladder Filter?

65 components, from 39 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the VCF Diode Ladder Filter design files?

From the mzuelch/CATs-Eurosynth repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the VCF Diode Ladder Filter design in my own project?

Yes, under the terms of its MIT license, which mzuelch chose for the repository.

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